Senior IT Systems Administrator Jobs in Baltimore, MD

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System Administrator I

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem

System Administrator Level 3

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, ServiceNow Platform, Unix Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: Provides support for implementation, troubleshooting and maintenance of information Technology (I

Restore System Administrator - TS/SCI w/Poly

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Backup and Recovery (Software), Disaster Recovery (DR), Information Technology (IT) Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Restore System Administrator Transform

MySQL Database Administrator

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: Location: FORT MEADE, MD, US Date Posted: 2025-07-16 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities for the Defense

System Administrator (SA2) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Telecommunications Engineer

Booz Allen Hamilton

Fort Meade, Maryland, USA

Full-time

Job Number: R0221725 Telecommunications Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in government communications? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. As a Telecommunications Engineer on o

Support the Army Research Laboratory (ARL) Information Technology (IT) Modernization Program

SAIC

Adelphi, Maryland, USA

Full-time

Job ID: 2506061-ADELPHI-MD Location: ADELPHI, MD, US Date Posted: 2025-05-23 Category: Information Technology Subcategory: Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC is seeking incumbents and external talent to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of Ente

System Administrator (SA1) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Support the Army Research Laboratory (ARL) Information Technology (IT) Modernization Program

SAIC

Aberdeen Proving Ground, Maryland, USA

Full-time

Job ID: 2506061 Location: ABERDEEN PROVING GROUND, MD, US Date Posted: 2025-05-23 Category: Information Technology Subcategory: Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: No Description SAIC is seeking incumbents and external talent to join the Army Research Laboratory (ARL) Information Technology (IT) Modernization program and support the full range of

System Administrator (SA3) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Computer Network Defense Analyst 3

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute this new miss

Computer Network Defense Analyst 2

Realm One

Annapolis, Maryland, USA

Full-time

RealmOne is FOCUSED on you! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute this new miss

IT Engineer (ITE3) (Government)

AT&T Inc.

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Sr. Technical Manager - TS/SCI w/Poly

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Information Technology (IT), Leadership, Team Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Sr. Technical Manager Deliver simple solutions to complex problems as a Digi

Sr. Technical Manager - TS/SCI w/Poly

General Dynamics Information Technology

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Information Technology (IT), Leadership, Team Management Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Sr. Technical Manager Deliver simple solutions to complex problems as a Digit

IT Project Manager

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you desire to be part of a hardworking, dynamic IT Project Management team that is passionate about advancing an organization into the next generation of information technology business services? Are you keenly interested in working in an environment that offers the opportunity to partner with staff, stakeholders and external consultants on multiple projects? If so, we 're looking for someone like you to join our team at APL. We are ranked as one of Computerworld 's Top Places

ServiceNow Developer

CCS Global Tech

Maryland, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

System Administrator I

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Technology (IT), Network Components, Operating Systems (OS), Troubleshooting Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: Provides support for implem

SIE3

CCS Global Tech

Maryland, USA

Full-time

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in th

IT Consultant

Parsons Services Company

Annapolis, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Ready to be part of a team that tackles defense and data challenges? Want to take yo